from flask import Flask, jsonify, request
import uuid

app = Flask(__name__)

genres = {}


@app.route('/genres', methods=['GET'])
def get_genres():
    return jsonify(list(genres.values()))

@app.route('/genres/<uuid:genre_uuid>', methods=['GET'])
def get_genre(genre_uuid):
    genre = genres.get(str(genre_uuid))
    if genre:
        return jsonify(genre)
    return jsonify({'error': 'Not found'}), 404

@app.route('/genres', methods=['POST'])
def create_genre():
    data = request.get_json()
    genre_uuid = str(uuid.uuid4())
    genre = {
        'uuid': genre_uuid,
        'name': data['name'],
        'description': data['description']
    }
    genres[genre_uuid] = genre
    return jsonify(genre), 201

@app.route('/genres/<uuid:genre_uuid>', methods=['PUT'])
def update_genre(genre_uuid):
    genre = genres.get(str(genre_uuid))
    if not genre:
        return jsonify({'error': 'Not found'}), 404
    data = request.get_json()
    genre['name'] = data['name']
    genre['description'] = data['description']
    return jsonify(genre)

@app.route('/genres/<uuid:genre_uuid>', methods=['DELETE'])
def delete_genre(genre_uuid):
    if str(genre_uuid) in genres:
        del genres[str(genre_uuid)]
        return '', 204
    return jsonify({'error': 'Not found'}), 404


if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5001)